sizedtypes.c

来自「fortran并行计算包」· C语言 代码 · 共 91 行

/* -*- Mode: C; c-basic-offset:4 ; -*- */
/*
 *
 *  (C) 2003 by Argonne National Laboratory.
 *      See COPYRIGHT in top-level directory.
 */
#include "mpi.h"
#include <stdio.h>
#include <stdlib.h>
#include "mpitest.h"

static char MTEST_Descrip[] = "Test of the sized types, supported in MPI-2";

int main( int argc, char *argv[] )
{
    int errs = 0;
    int size;

    MTest_Init( &argc, &argv );

    MPI_Type_size( MPI_REAL4, &size );
    if (size != 4) {
	errs ++;
	printf( "MPI_REAL4 has size %d\n", size );
    }
    MPI_Type_size( MPI_REAL8, &size );
    if (size != 8) {
	errs ++;
	printf( "MPI_REAL8 has size %d\n", size );
    }
    if (MPI_REAL16 != MPI_DATATYPE_NULL) {
	MPI_Type_size( MPI_REAL16, &size );
	if (size != 16) {
	    errs ++;
	    printf( "MPI_REAL16 has size %d\n", size );
	}
    }

    MPI_Type_size( MPI_COMPLEX8, &size );
    if (size != 8) {
	errs ++;
	printf( "MPI_COMPLEX8 has size %d\n", size );
    }
    MPI_Type_size( MPI_COMPLEX16, &size );
    if (size != 16) {
	errs ++;
	printf( "MPI_COMPLEX16 has size %d\n", size );
    }
    if (MPI_COMPLEX32 != MPI_DATATYPE_NULL) {
	MPI_Type_size( MPI_COMPLEX32, &size );
	if (size != 32) {
	    errs ++;
	    printf( "MPI_COMPLEX32 has size %d\n", size );
	}
    }

    MPI_Type_size( MPI_INTEGER1, &size );
    if (size != 1) {
	errs ++;
	printf( "MPI_INTEGER1 has size %d\n", size );
    }
    MPI_Type_size( MPI_INTEGER2, &size );
    if (size != 2) {
	errs ++;
	printf( "MPI_INTEGER2 has size %d\n", size );
    }
    MPI_Type_size( MPI_INTEGER4, &size );
    if (size != 4) {
	errs ++;
	printf( "MPI_INTEGER4 has size %d\n", size );
    }
    if (MPI_INTEGER8 != MPI_DATATYPE_NULL) {
	MPI_Type_size( MPI_INTEGER8, &size );
	if (size != 8) {
	    errs ++;
	    printf( "MPI_INTEGER8 has size %d\n", size );
	}
    }
    if (MPI_INTEGER16 != MPI_DATATYPE_NULL) {
	MPI_Type_size( MPI_INTEGER16, &size );
	if (size != 16) {
	    errs ++;
	    printf( "MPI_INTEGER16 has size %d\n", size );
	}
    }

    MTest_Finalize( errs );
    MPI_Finalize();
    return 0;
}